Bond Buyer's 20 bond index

What it means: Bond Buyer is a daily publication, commonly known as the Red Book, featuring many essential statistics and index figures relative to the fixed income markets. This index tracks the prices of a selected group of municipal bonds.

How it's used: It's an index that is used to set the cost of municipal debt. It helps indicate the direction of municipal bond prices, but otherwise has little impact on most ordinary investors.

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